Wow, adding "options snd-hda-intel model=3stack" at the end of /etc/modprobe.d/alsa-base (http://www.ubuntuforums.org/showpost.php?p=2347081&postcount=4) solves my problem. Thx to Joseph Smidt.
-- [Feisty] Sound card (HDA) no more detected after switching from -8 to -9 https://launchpad.net/bugs/88400 -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
